From: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> If a call comes in to check the lid state but there's no lid device present, we should return -ENODEV. Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> Signed-off-by: Len Brown <len.brown@xxxxxxxxx> --- drivers/acpi/button.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 9335b87..0c9c6a9 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -251,6 +251,9 @@ int acpi_lid_open(void) acpi_status status; unsigned long long state; + if (!lid_device) + return -ENODEV; + status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
